All chemical reactions have a conversation of mass and energy.
Because:- There are only two laws for conversation in a chemical reaction. The conversation of mass, no mass can be created nor destroyed. Also, the law of conversation of mass states that no energy can be created nor destroyed in a chemical reaction. The charge can obviously change because they can bond and change charges.
You may want to ask the questions seperatly more likely for someone to answer
I assume you’re looking for a balanced equation.
SiCl4 + 2H2O = SiO2 + 4HCl
