The mistake chopstick learners make most often is holding the stick too near the point. It may seem counter-intuitive but holding them further up towards the end is much more controllable. And hold the stick nearest your little finger still and only move the other one. Move both and your dinner will end up everywhere except your mouth.
Wrong
Better
If the average two year old in China can master it, anyone with functioning hands can. Start with something largish, say a one inch cube, then work your way down through smaller and smaller to individual peanuts then individual grains of rice. Also, remember that a scooping action is also used with some foods.