If a reaction starts with 4 cu atoms, 5 0 atoms, and 10 h atoms, what is known about the products?

If a reactions starts with 4 Cu atoms, 5 O atoms, and 10 H atoms, What is known about the products? A. The products will contain 19 atoms of unknown type. B. The products with contain 4 Cu atoms and 5 H2O molecules. C. The products will contain 4 Cu atoms, 5 O atoms, and 10 H atoms. D. The Products will contain no oxygen because it is a gas.

thats how its supposed to be