Which chemical equation describes the balanced reaction synthesizing copper and oxygen into copper oxide?
ACu + O2 → CuO
B2Cu + O2 → 2CuO
CCu + H2O → CuO + H2
D2Cu + 2H2O → 2CuO + 2H2
ACu + O2 → CuO
B2Cu + O2 → 2CuO
CCu + H2O → CuO + H2
D2Cu + 2H2O → 2CuO + 2H2