Questions & Answers about Я хочу повернути товар.
- Я = I
- хочу = want
- повернути = to return
- товар = goods / an item / merchandise / a product
So the structure is literally I want to return [the] item/product.
Because after хочу (I want), Ukrainian normally uses an infinitive, just like English uses to + verb:
- Я хочу повернути товар = I want to return the item
- Вона хоче купити це = She wants to buy this
So хочу is the conjugated verb, and повернути stays in the basic dictionary form.