Preheat oven to 450. Place chicken in shallow baking dish. Combine juice, soy sauce and honey. Pour over chicken. Marinate 1 hour or overnight in refrigerator.
Add mushrooms to chicken and coat with marinade. Bake 20 minutes. Spoon 1/2 cup pan juices into a small bowl. Stir in cornstarch. Pour back into pan, spooning sauce over chicken and mushrooms. Return to oven and bake 20 minutes longer or until chicken is tender. Slice and serve over rice.