Are you guys even socially compatible?
Do you have similar things on your lists?
Everyone has their own agenda- so many things to do in so little time. Are you guys okay with compromising or do you need to do everything on your list?
Whether that's food, housing, transportation, activities, etc. Are you guys willing to spend around the same amount?
After considering these questions, if your gut still says to travel with this person, then why not just do it? (No, you're not allowed to come complaining to me if it doesn't work out)