In Digambara Jainism, it is not guaranteed that you will meet your mother in heaven if she dies before you.

Simple answer:

• Yes, it is possible only if both of you are reborn in the same heavenly realm by the force of your own punya.
• No, it is not निश्चित / guaranteed, because in Jainism rebirth depends on karma, not on family wish or desire.
• Heavenly life is temporary. Even in heaven, beings do not remain as a permanent family forever.

Important Jain view:

• A female layperson can certainly perform punya and may be reborn in devalok if karmas support it.
• But meeting one’s mother there is not assured.
• In Jain philosophy, true spiritual progress is not toward family reunion, but toward self-purification and liberation.

So the correct Jain answer is:

If you want, I can also explain this specifically according to Digambara karmic theory in very simple language.