app store asking for old accounts password
on my app store i need to give a password to an old account that i have chance of recovering what can i do?
Is this when it attempts to update an app? If so, that means the app was downloaded with that Apple Account and you can either attempt to recover access to the account or delete the app and download it again under your new Apple Account. Any data that was saved with the app will be lost.
How to use account recovery when you can’t reset your Apple Account password - Apple Support
If this happens when attempting to download a new app, then you likely have that old account signed into Media & Purchases at Settings > [name on top] > Media & Purchases.