The balanced equation for the reaction of lactic acid (CH₃CH(OH)COOH) and sodium hydroxide (NaOH) is:

CH₃CH(OH)COOH + NaOH → CH₃CH(OH)COONa + H₂O

Here's a breakdown:

* Lactic acid (CH₃CH(OH)COOH) is a weak organic acid.

* Sodium hydroxide (NaOH) is a strong base.

* Sodium lactate (CH₃CH(OH)COONa) is the salt formed by the reaction.

* Water (H₂O) is produced as a byproduct.

This is a neutralization reaction where the acid and base react to form a salt and water. The reaction is exothermic, meaning it releases heat.