Hi,
Thanks for your reply.
The problem is that I'm creating events in Mountain Lion without any notification and for some reason it shows a notification on iOS.
Not sure what is causing this but it was working fine before. Is it a Mountain Lion problem or an iOS problem?
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There are many ways to replicate this issue.
Let me show you one of them:
1. Create an event on Calendar (iOS) without any notification.
2. Edit the event on iCal (Mountain Lion) by a simple drag an drop. Change the date and time of the event.
3. Go to iOS and check the event's details. It will show an alert notification set to the time of the event.
Why it set that notification automatically?