Can I access my phone if I forgot my pascode and icloud

If you cannot remember the screen lock passcode, you will have to restore the device, which erases it.

If you cannot remember your AppleID password then iCloud activation lock will prevent you from activating it after restoring it. You will need to recover your AppleID to set up the reset device.

Follow the directions in the article linked to above to regain access to your account.