* Nitric acid is a strong acid, but it's not a strong oxidizing agent in this case. While nitric acid can act as an oxidizing agent, it's not strong enough to oxidize chloride ions (Cl⁻) in salt.
* Sodium ions (Na⁺) are unreactive. They won't participate in any significant chemical reaction with nitric acid.
What could happen:
* Very dilute nitric acid and salt: You might observe a very slight reaction where a tiny amount of hydrogen chloride gas (HCl) is produced. This is because the equilibrium between the ions in solution slightly favors the formation of HCl, but it's a negligible effect.
* Concentrated nitric acid and heat: If you were to use concentrated nitric acid and heat the mixture, you might see a more noticeable reaction. The strong oxidizing power of concentrated nitric acid could oxidize chloride ions, potentially forming chlorine gas (Cl₂) which is toxic and has a yellowish-green color. This reaction is more likely to occur with heat and would be a dangerous experiment.
In summary: The reaction between nitric acid and salt is not a common or significant reaction under ordinary conditions.