Thank you for reaching out! I use my calendar everyday, so I understand the importance of your calendar and notifications. I would be more than happy to help answer this question.
Unfortunately, receiving notifications for calendar events on your Google Nest Hub is not possible. As an alternative, you can set up a reminder and get notified on your Google Nest Hub and your phone. Click here to learn more.
If you'd like to, you can send your feedback and feature request to our team. Visit this link for more steps.