I like the idea,but building a game from scratch isn't easy at all.
If the game isn't entertaining enough,nobody would bother playing (even if it's really informative).
A game with asking and answering questions seems really boring.Kids and teenagers simply won't be interested into such game. Do you have any concepts about the game design?
Will you outsource this to a game developer?Do you have a budget?How do you plan to fund this project?