Instead of asking, "What will you eat for breakfast", you could just ask, "What will you eat?". The way to pronounce it is, "mwo meoggo sip-eo?" If you are talking to someone older than you, you should say, "당신은 무엇을 먹고 싶나요." You pronounce this as, "dangsin-eun mueos-eul meoggo sipnayo".
