The balanced chemical equation for the reaction between rubidium hydroxide (RbOH) and perchloric acid (HClO₄) is:

RbOH(aq) + HClO₄(aq) → RbClO₄(aq) + H₂O(l)

Here's a breakdown:

* Reactants:

* Rubidium hydroxide (RbOH) - a strong base.

* Perchloric acid (HClO₄) - a strong acid.

* Products:

* Rubidium perchlorate (RbClO₄) - a soluble salt.

* Water (H₂O) - a liquid.

This reaction is a classic example of a neutralization reaction, where an acid and a base react to form a salt and water.