Question

part a
enter the formula for the compound that forms from calcium and hydroxide.
express your answer as a chemical formula.
a chemical reaction does not occur for this question.

Explanation:

Step1: Determine the ions

Calcium forms \(Ca^{2+}\) ion. Hydroxide is \(OH^{-}\) ion.

Step2: Apply charge balance

To balance the charges, we need 2 \(OH^{-}\) ions for 1 \(Ca^{2+}\) ion.

Answer:

\(Ca(OH)_2\)