Questions & Answers about yàobù chī huǒguō?
Not exactly.
要不要 usually means want or not want / do or not do, and often forms a yes-no question:
- 你要不要吃火锅? = Do you want to eat hotpot?
要不 in this sentence is more like a suggestion marker:
- 要不吃火锅? = How about eating hotpot?
They are related in feel, and learners sometimes mix them up, but they are not interchangeable in every sentence.