What is the name of the compound with the formula NaOH?

Sodium hydroxide

Explanation:

Sodium hydroxide (NaOH) -

Sodium hydroxide is an inorganic compound, and is also called caustic soda and lye.

It is an ionic compound, which is white in color and is in solid state.

The cation and anion of this salt are the sodium cation Na⁺ and the hydroxide anions OH⁻.

It is highly basic in nature and is soluble in water, and when left open in air it can readily absorb moisture from the air, to form a hydrated sodium hydroxide.