Question

give an example of the reaction involving combination of a compound with another compound?

Answer 1

HI There !

Combination reaction is the chemical reaction in which two or more substances [ elements  , compounds ] react together to form a single new product .

example of   the reaction involving combination of a compound with another compound :-

CaO + CO₂  ----> CaCO₃

Here , the compounds calcium oxide and carbon dioxide combine together to form calcium carbonate 

Answer 2

CaO + H2O --------> Ca(OH)2 + energy