Voy a colgar el cuadro en la pared del salón.

It means I’m going to hang.

This is the very common Spanish structure:

ir + a + infinitive

So here:

• voy = I go / I am going
• a = part of the future structure
• colgar = to hang

Together, voy a colgar means I’m going to hang or I will hang in the near future.

Because Spanish uses ir a + infinitive to talk about a planned or near future action.

Examples:

• Voy a comer = I’m going to eat
• Vamos a salir = We’re going to go out
• Va a llover = It’s going to rain

So in your sentence, voy a colgar is not literally I go to hang in English. It is the normal Spanish way to say I’m going to hang.

Because Spanish often leaves out subject pronouns when they are clear from the verb.

• voy already tells you the subject is I
• so yo is unnecessary unless you want emphasis or contrast

For example:

• Voy a colgar el cuadro = I’m going to hang the picture
• Yo voy a colgar el cuadro, no tú = I’m going to hang the picture, not you

This is very normal in Spanish.

Yes, here colgar means to hang something up, like a picture, coat, or poster.

Examples:

• colgar un cuadro = to hang a picture/painting
• colgar una chaqueta = to hang up a jacket

Be careful: colgar can also have other meanings depending on context, such as:

• to hang up the phone
• to upload/post something online in some contexts

But in this sentence, it clearly means to hang up a picture on a wall.

Cuadro can mean several related things, and that often confuses learners.

In this sentence, el cuadro usually means:

• a framed picture
• a painting
• a picture on the wall

In everyday Spanish, cuadro often refers to the whole wall item, not just the image itself.

Compare:

• foto = photo
• pintura = painting
• cuadro = picture/painting, usually as an object you hang

So colgar el cuadro sounds very natural.

Because cuadro is a masculine noun in Spanish, so it takes el in the singular.

• el cuadro
• los cuadros

This is about grammatical gender, not whether the object is physically masculine or feminine.

You just need to learn the noun together with its article:

• el cuadro
• la pared
• el salón

Spanish uses articles more often than English does.

In English, you might sometimes say:

• I’m going to hang a picture on the living room wall

In Spanish, it is very natural to say:

• Voy a colgar el cuadro en la pared del salón

The articles help identify the nouns naturally:

• el cuadro = the picture
• la pared = the wall
• del salón = of the living room

Even when English might omit or change an article, Spanish often keeps one.

Because pared is a feminine noun:

• la pared
• las paredes

So you say:

• en la pared = on the wall

This is something you simply need to memorize with the noun.

Yes, en often means in, but it can also mean on, depending on context.

Here, en la pared means on the wall.

Spanish often uses en where English would choose either in or on:

• en la mesa = on the table
• en la pared = on the wall
• en la caja = in the box

So don’t translate en too mechanically. Its exact English equivalent depends on the situation.

Because de + el contracts to del in Spanish.

So:

• de + el = del

That is why:

• la pared del salón = the wall of the living room

The only common exception is with the masculine article inside a proper name, for example:

• de El Escorial stays de El Escorial

But normally, de el becomes del.

In Spain, salón usually means living room or sitting room.

So:

• la pared del salón = the living room wall

This is important for English speakers because salon in English usually means a beauty salon or hair salon. Spanish salón does not usually mean that in this kind of sentence.

If you want to say hair salon, you would normally say:

• peluquería

Yes, but it means something slightly less specific.

• en el salón = in the living room
• en la pared del salón = on the living room wall

So:

• Voy a colgar el cuadro en el salón
  = I’m going to hang the picture in the living room.

• Voy a colgar el cuadro en la pared del salón
  = I’m going to hang the picture on the living room wall.

The original sentence tells you exactly where in the room the picture will go.

Yes. Spanish word order is flexible, though the original version is the most neutral and natural:

• Voy a colgar el cuadro en la pared del salón.

You could also say:

• En la pared del salón voy a colgar el cuadro.

That version puts more emphasis on the location.

For a learner, the original order is the safest and most standard: verb phrase + object + place

Yes, you could.

• Voy a colgar el cuadro... = I’m going to hang the picture...
• Colgaré el cuadro... = I will hang the picture...

Both are correct, but voy a + infinitive is very common in everyday speech, especially when talking about a plan or intention.

So the original sentence sounds very natural in conversation.

Mostly, but it has a spelling change in some forms to keep the correct sound.

Infinitive:

• colgar

Examples:

• cuelgo = I hang
• cuelgas = you hang
• cuelga = he/she hangs

So it has a stem change:

• o → ue

But in your sentence, the verb is in the infinitive:

• colgar

So you do not see the stem change there.

Roughly:

kol-GAR

A few helpful points:

• the g in colgar is a hard g sound, like in go
• the stress falls on the last syllable: gar
• the r is a tapped/flipped Spanish r, not a strong English r

And salón is stressed on the second syllable: sa-LON

The written accent in salón shows where the stress goes.

Not necessarily right this second. Voy a colgar usually means the speaker intends or plans to do it soon.

Depending on context, it could mean:

• I’m about to hang it
• I’m going to hang it
• I plan to hang it

So it expresses future intention, usually a fairly near or clear one.