It's an impossible question to answer but interesting to entertain. I suppose that creating beings with freedom of choice means setting up a clockwork universe wouldn't b.e a good idea.
That's another problem that omniscience creates though, if someone created the entire universe and everything in it and knows exactly how all parts of that universe will act at all times, then free will is an illusion.
By far the better solution for describing god is to make him really really enormously smart/powerful/knowledgeable/whatever, but stop short of omniscience and omnipotence.