Muscovy nods very decisively. He's almost always up for eating something, to a big part out of habit - you never know when you get your next big meal, and even though with Rey and Firo there always was something to eat, the planet didn't necessarily always provide much. And before that - hunger isn't a stranger, really, and he's a not a friend either. Rather someone that he wouldn't care to meet another time but knows will come back, a bit like the General.

"Where will I stay?"

So that he can drop off his things before they move on to the kitchen.