Respuesta :

Calcium Hydroxide (Ca(OH)2) can actually be formed by the reaction of Calcium Oxide (CaO) with water (H2O). The complete balanced chemical reaction is:

CaO  +  H2O  -->  Ca(OH)2

 

The subscript 2 in (OH) means that there are 2 O and 2 H on the product side. Hence, the equation is balanced already.