Baking soda is a base and vinegar is an acid. When they react, they largely neutralize each other, resulting in salty water and carbon dioxide gas.
I can provide a step-by-step guide for clearing the specific type of blockage you're facing. can baking soda clog a drain
Use a drain snake or enzymatic cleaner. Save the baking soda for deodorizing your fridge, not dissolving hairballs. Baking soda is a base and vinegar is an acid
It can combine with the gunk already in your pipes (think soap scum, grease, or hair) and turn into a concrete-like paste. Over time, this can absolutely contribute to a slow or clogged drain. they largely neutralize each other