They do it very rarely because of its country heritige
Mesopotanian
Moses
Famine.
They were exiled by Nebuchadnezzar of Babylonia.
Pharaoh heart was hardened , so he would not let the Israelites free.
They left because of a famine.
The number of Israelites that did not leave Egypt is not mentioned in the Old Testament. It is estimated about 2 million to 3 million did leave Egypt, including men, women and children.
the Israelites did not leave during passover. When they did leave it was Moses who lead them.
The mythology and legend which underpins the Old Testament.
There was only one punishment which Pharaoh imposed upon the Israelites for asking to leave. That was the punishment that they must continue making bricks, without being supplied with straw. (Exodus 5:7, repeated in 5:18). The other decrees of Pharaoh (Exodus ch.1) were before the Israelites asked to leave.
They left the city of Ramses (Exodus 12).
They didn't. There are no records of any Israelites being in Egypt apart from the Old Testament. No Egyptian records or any other records mention them at all.