Theres no reason why they can't accept the trade.
"Sure, we'll show you what we know about peeling bananas for 40K minerals"
It dosen't matter that you already know the tech, or are even more advanced that they are.
If you ask for something like psychic studies, which the race has zero levels in, then the AI will probably reject the deal. Otherwise, they'll be happy to teach remedial lessons in projectile weapons 101
