NaOH + HCl --> NaCl + H₂O

is neither anabolic nor catabolic. Here's why:

* Anabolic reactions build larger molecules from smaller ones, requiring energy input. This reaction is not building larger molecules, but rather breaking them down.

* Catabolic reactions break down larger molecules into smaller ones, releasing energy. While this reaction does break down the reactants (NaOH and HCl), it's not the breakdown of large, complex molecules like carbohydrates, proteins, or fats.

This reaction is a neutralization reaction. It's a simple chemical reaction where an acid (HCl) reacts with a base (NaOH) to form salt (NaCl) and water (H₂O). This reaction doesn't involve the building or breaking down of organic molecules, which is the hallmark of anabolic and catabolic processes in biological systems.