In a large skillet, bring 4 cups of water to a boil. Add the quinoa and cook, stirring occasionally, until it expands out of its shell, about 10 minutes; be careful not to overcook it.

In a medium saucepan, bring 2 cups of water to a boil. Add the rice and cook, stirring occasionally until done, about 20 minutes.

In a large skillet, heat the olive oil over medium heat. Add the mushrooms, chives, bell peppers, salt, and cayenne pepper. Cook, while stirring, for about 3 minutes. Add the quinoa and rice and stir until hot. Serve immediately.